Category: Cây Hoa Hồng
ROSE MIDGE
Rose Midge On Friday, August 23, 1996 I visited a rose nursery in Petaluma, Sonoma County, California that was heavily infested with the rose midge,…
ROSE ROSETTE
ROSE ROSETTE ON ROSE PLANT CAUSAL ORGANISM: This “disease” appears to be vectored by a blister mite but the causal agent has not been identified….
ROSE SPRING DWARF DISEASE
ROSE SPRING DWARF DISEASE CAUSAL ORGANISM: A virus is suspected in causing this disease. SYMPTOMS: Rose mosaic usually appears in spring as a distortion of…
ROSE MOSAIC
ROSE MOSAIC ON ROSE PLANT CAUSAL ORGANISM: Prunus Necrotic Ringspot Virus: Mosaic is probably the most commonly found virus on roses but many other virus diseases…
BACTERIAL CROWN GALL
BACTERIAL CROWN GALL ON ROSE PLANT CAUSAL ORGANISM: Agrobacterium spp: This is really the only serious bacterial disease of Rose. The bacteria is found world wide…
RUST ROSE
RUST ON ROSE PLANT CAUSAL ORGANISM: Phragmidium spp: The rust of rose is one of the most commonly found and easily identified diseases of rose. Severe…